BC Class C Electrical FSR cheat sheet

Canadian Electrical Code Part I (CEC) is adopted provincially with amendments; the FSR certifies compliance with the adopted edition, not the model code text alone.

A Field Safety Representative is the person who takes legal responsibility for electrical work performed under a permit; permits are issued to the FSR or to a contractor whose FSR signs on.

Class C FSR scope in British Columbia covers work on electrical equipment and conductors operating at not more than 750 V, excluding work restricted to Class A or Class B holders.

FSR classes in BC: Class A (unlimited), Class B (up to 750 V, with restrictions on some installations), Class C (limited scope defined by regulation), plus restricted classes.

Permit requirement: no electrical work may begin before a permit is issued; the FSR must post or make the permit available and notify the authority having jurisdiction (AHJ) at required stages.

The FSR must ensure every worker is a qualified journeyperson or a registered apprentice under direct supervision; supervision ratios and levels are set by regulation.

Declarations of completion: the FSR signs the declaration that the installation complies with the code; false declaration is an offence under the provincial safety standards act.

Record keeping: the FSR retains drawings, load calculations, and inspection records for the period required by the AHJ and produces them on request.

Insurance and bonding: a contractor must hold a valid electrical contractor licence and liability coverage; the FSR licence is separate from the contractor licence.

Ohm's law: V = I × R; power: P = V × I = I²R = V²/R; single-phase and three-phase power use the same relations with √3 for line quantities.

Three-phase power: P = √3 × V_line × I_line × power factor; balanced loads share current equally across phases.

Voltage drop rule of thumb: keep total drop on a branch circuit within 3% and feeder plus branch within 5% of nominal voltage.

Conductor ampacity is corrected for ambient temperature and adjusted for the number of current-carrying conductors in a raceway; both factors multiply the table value.

Overcurrent protection protects the conductor, not the load; the device rating must not exceed the conductor ampacity after correction, except where the code allows the next standard size up.

Bonding and grounding are distinct: bonding connects metal parts to establish equipotential; grounding connects the system to earth. Both are required for fault-current return.

Ground fault circuit protection is required in wet, damp, and other specified locations; arc fault protection is required for specified branch circuits in dwellings.

Working clearances in front of electrical equipment are measured from the live parts or enclosure face and must be kept clear of storage at all times.

Lockout/tagout: isolate, verify absence of voltage with a tested meter, and apply a personal lock before touching conductors.

Inspection stages normally include rough-in (before concealment), service and panel, and final; the FSR requests inspection when the stage is complete and accessible.

Deficiency notices must be corrected and re-inspected; work may not be energized or covered until the deficiency is cleared or the AHJ grants written approval.

Insulation resistance test: apply a DC test voltage, record resistance after the reading stabilizes; low readings indicate moisture or damaged insulation.

Continuity of bonding: verify low-resistance path from every bonded part to the grounding electrode; a high reading indicates a loose or missing bond.

Polarity and phase rotation checks are required before energizing motors and three-phase equipment to prevent reverse rotation and faults.

As-built drawings and load calculations must reflect what was installed; changes from the permitted drawings require an amended permit.

Incident reporting: electrical contacts and arc flash events must be reported to the AHJ and investigated; the FSR participates in the corrective action.

Continuing education and licence renewal are conditions of maintaining FSR status; lapsed licences invalidate permits taken out under them.